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103031100020310 = 235711311591431439
BaseRepresentation
bin10111011011010011001100…
…000111100001011001010110
3111111210200021111202112021220
4113123103030013201121112
5102001030143101122220
61003043500043351210
730462515464204440
oct2733231407413126
9444720244675256
10103031100020310
112a913275a45480
12b68014ab22506
134564a38bc7c17
141b62a36299490
15bda11e4c9540
hex5db4cc1e1656

103031100020310 has 128 divisors (see below), whose sum is σ = 308300569804800. Its totient is φ = 21408357697920.

The previous prime is 103031100020213. The next prime is 103031100020377. The reversal of 103031100020310 is 13020001130301.

It is a super-2 number, since 2×1030311000203102 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103031100020310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71261571 + ... + 72693009.

It is an arithmetic number, because the mean of its divisors is an integer number (2408598201600).

Almost surely, 2103031100020310 is an apocalyptic number.

103031100020310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103031100020310 is an abundant number, since it is smaller than the sum of its proper divisors (205269469784490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103031100020310 is a wasteful number, since it uses less digits than its factorization.

103031100020310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462626.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 103031100020310 its reverse (13020001130301), we get a palindrome (116051101150611).

The spelling of 103031100020310 in words is "one hundred three trillion, thirty-one billion, one hundred million, twenty thousand, three hundred ten".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 77 105 110 154 165 210 231 330 385 462 770 1155 2310 31159 62318 93477 155795 186954 218113 311590 342749 436226 467385 654339 685498 934770 1028247 1090565 1308678 1431439 1713745 2056494 2181130 2399243 2862878 3271695 3427490 4294317 4798486 5141235 6543390 7157195 7197729 8588634 10020073 10282470 11996215 14314390 14395458 15745829 20040146 21471585 23992430 30060219 31491658 35988645 42943170 47237487 50100365 60120438 71977290 78729145 94474974 100200730 110220803 150301095 157458290 220441606 236187435 300602190 330662409 472374870 551104015 661324818 1102208030 1653312045 3306624090 44602207801 89204415602 133806623403 223011039005 267613246806 312215454607 446022078010 490624285811 624430909214 669033117015 936646363821 981248571622 1338066234030 1471872857433 1561077273035 1873292727642 2453121429055 2943745714866 3122154546070 3434370000677 4683231819105 4906242858110 6868740001354 7359364287165 9366463638210 10303110002031 14718728574330 17171850003385 20606220004062 34343700006770 51515550010155 103031100020310